Color

#04b91c

#04b91c
hex#04b91c
rgbrgb(4, 185, 28)
hslhsl(128, 96%, 37%)
oklchoklch(0.682 0.225 143.3)
Closest name: Green Glimmer (#00bb00)Relative luminance 0.3481

Colors that go with #04b91c

Taupe, Fuchsia and Hot Pink lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b904a1

#46b904 · #04b977

#1c04b9 · #b91c04

Split-complementary

Open in tool →

#7704b9 · #b90446

#0446b9 · #b904a1 · #b97704

Contrast

#04b91c as textRatioAAAA largeAAAFix
Aaon white
2.64:1failfailfail
  • AA: use #038714 as the text (4.69:1)
  • AAA: use #02640f as the text (7.41:1)
  • AA: or shift the background to #363636 (4.58:1)
  • AAA: or shift the background to #121212 (7.1:1)
Aaon black
7.96:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #04b91c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #04b91c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #04b91c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04b91c-a2bea9-ac4edf-1f2d27-ecf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md